# 1x1=1
# 2x1=2 2x2=4
# 3x1=3 3x2=6 3x3=9
# ...
i = 1
while i <= 9:
    j = 1;
    while j <= i:
        print(f"{j}x{i}={j * i}\t", end='')
        j+=1
    print("")
    i+=1